Full Locust: This posture works the middle portion of the spine and maintains overall body condition. Increases spinal strength and flexibility, helps cure lower back pain, rheumatism, and arthritis of the spine, and helps correct poor posture. Relieves menstrual problems and helps cure loss of appetite. Improves function of the liver and spleen. Increases elasticity around the ribcage and increases lung capacity. Strengthens and firms buttocks, hips, trapezius, and triceps.